THE HILLSBORO LAND BRIEF
Land in the
Glacial Lake Agassiz Basin setting.
Hillsboro city has 1.11 square miles of land in Traill County. Its Census reference point is in Glacial Lake Agassiz Basin, within Lake Agassiz Plain.
The former bed of glacial Lake Agassiz forms an exceptionally flat plain in the Red River valley. Thick lake sediments overlie older glacial deposits across this historic prairie landscape.
Regional context: Lake Agassiz Plain ↗ · Classification at the Census reference point
Hillsboro and Traill County
Hillsboro is associated with Traill County in the Census boundary data. Start with the parcel’s tax bill to match the property to that jurisdiction, then confirm which government handles its land use.
Hillsboro by land and water
The Census records 0 square miles of water within Hillsboro, or 0% of its total area. That share is close to Traill County’s 0.1%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Hillsboro city has 3.2% of the land area of nearby Hillsboro township (34.8 square miles). These areas describe boundaries, not comparable property prices.

